The powerful weather pattern is expected to shift into gear again around June, NOAA said, though its strength this time ...

Two major weather agencies think it's increasingly likely that El Niño will form in the eastern tropical Pacific Ocean later ...

El Nino could develop later this year, increasing the risk of record-breaking global heat, according to forecasts from several major weather agencies.

NOAA is to start using a new index, known as 'RONI,' to classify El Niño and La Niña events.

The tools scientists have relied on for decades to track El Niño and La Niña are breaking down, and the reason is ...

A new University of Texas at Austin study finds that El Niño and La Niña can crank up floods and droughts at the same time in ...

Australia’s insurance industry is monitoring the potential return of El Niño conditions later this year, as climate ...

The first El Niño in three years could develop during the coming months, raising the possibility of worsening drought and ...

If you feel like record-level extreme weather events are happening with alarming frequency, you're not alone. Scientists say it's not your imagination. "The number of simultaneous weather extremes ...

CLEVELAND — Hundreds of years ago, fishermen casting their nets off the coast of Peru and Ecuador noticed something unusual. Every few years, the ocean water in their usually productive fishing ...

LOS ANGELES (KABC) -- California appears poised to go from severe drought to torrential rains and widespread flooding with the expected arrival of El Nino this winter. State legislators discussed what ...